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Cushion|Lab Grown|IGI

3.51ct G VS2 Cushion Lab Grown Diamond

EX • G/VS2 • IGI LG615374632

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG615374632

Diamond specifications and retailer prices

From $529 USD
As of October 31, 2026
Save $1,638 USD (76%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,167 USD at MOH London · As of October 29, 2026
View at MOH London

About this 3.51ct lab-grown cushion diamond

This 3.51ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG615374632 or 615374632. Listed at 9 retailers as of October 29, 2026, with prices from $529 to $2,167, a $1,638 spread on the same certified stone. MOH London lists it at $2,167. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.51
Carat
G
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG615374632
Dimensions9.10 × 8.65 × 5.64 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.10 mm8.65 mm3.51 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG615374632
Side View
Table 60.0%Crown 33.9°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 65.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $2,167 USD|Low: $377 USD|High: $2,181 USD|Avg: $1,052 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 7$529 USD
Retailer 5$587 USD
Retailer 3$885 USD
Retailer 6$915 USD
Retailer 2$965 USD
Retailer 8$1,120 USD
Retailer 4$1,152 USD
MOH London$2,167 USD

41 data points across 8 retailers

9 retailers$529 USD to $2,167 USD

A
Cheapest Retailer
-
$529 USD
Final sale: no returns
Retailer 2
-
$587 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$885 USD
View
B+
Retailer 4
-
$915 USD
View
A
Retailer 5
-
$965 USD
£760 GBP
View
A
Retailer 6
-
$1,120 USD
View
B+
Retailer 7
-
$1,915 USD
View
B+
Retailer 8
-
$2,065 USD
View
Most Expensive
B+
MOH London
LG615374632 · Oct 29
$2,167 USD
£1,706 GBP
View
8 more retailers have this diamond
Prices start from $529 USDSave up to $1,638 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.51ct Cushion
$529 USD